Home / 8,055.91-12,083.69-4,745.16

Finding the Fourth Proportional to 8,055.91, 12,083.69 and 4,745.16

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Solution

The fourth proportional to 8,055.91, 12,083.69 and 4,745.16 is: 7,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.91 : 12,083.69 = 4,745.16 : x
  2. Step 2: Convert to fraction form
    8,055.91/12,083.69 = 4,745.16/x
  3. Step 3: Cross multiply
    8,055.91x = 12,083.69 × 4,745.16
  4. Step 4: Simplify right side
    8,055.91x = 57,339,072.93
  5. Step 5: Solve for x
    x = 57,339,072.93/8,055.91
  6. Step 6: Final answer
    x = 7,117.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.